CentOS7 nginx安装并负载mysql

#1.安装依赖项目：PCRE
链接: https://pan.baidu.com/s/1JA-Tifch8ftM32znQO1csQ 提取码: svgw
./configure
make && make install

#2.安装依赖项目：libtool 
链接: https://pan.baidu.com/s/18UohgCRggfhlwcAoVOlkvw 提取码: dnd6
./configure
make && make install

#3.安装nginx
wget http://nginx.org/download/nginx-1.18.0.tar.gz
tar -xvf nginx-1.18.0.tar.gz
cd nginx-1.18.0
./configure --with-stream
make && make install

#4.直接启动
/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
/usr/local/nginx/sbin/nginx -s stop (quit)   #停止nginx
/usr/local/nginx/sbin/nginx -s reload        #重启nginx

#5.将nginx设置为服务并开机启动
cat > /usr/lib/systemd/system/nginx.service <<EOF
[Unit]
Description=nginx - high performance web server
Documentation=http://nginx.org/en/docs/
After=network.target remote-fs.target nss-lookup.target

[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable nginx
systemctl start nginx

定期清理日志

cat > /usr/local/nginx/clean_nginx_logs.sh <<"EOF"

#!/bin/bash

base_path='/usr/local/nginx/logs'
log_path=$(date -d yesterday +"%Y%m")
day=$(date -d yesterday +"%Y%m%d")

mkdir -p $base_path/$log_path
mv $base_path/access.log $base_path/$log_path/access_$day.log
mv $base_path/error.log $base_path/$log_path/error_$day.log


kill -USR1 `cat /usr/local/nginx/logs/nginx.pid`
EOF

chmod +x /usr/local/nginx/clean_nginx_logs.sh

加入crontab 定期执行日志清理
执行crontab -e，加入一行
0 0 * * * /bin/bash /usr/local/nginx/clean_nginx_logs.sh


默认配置文件

worker_processes auto;
worker_rlimit_nofile 100000;

events {
    worker_connections 2048;
    multi_accept on;
    use epoll;
}

stream{
    upstream mysql {
       hash $remote_addr consistent;
       server 192.168.6.117:3306 weight=5 max_fails=3 fail_timeout=30s;
       server 192.168.6.118:3306 weight=5 max_fails=3 fail_timeout=30s;
    }
    
    server {
       listen 23306;
       proxy_connect_timeout 1s;
       proxy_timeout 3s;
       proxy_pass mysql;
    }
}


http {
include mime.types;
    default_type application/octet-stream;

    log_format main '$time_iso8601, status: $status, request: $http_host $request, spent: $request_time, upstreamAaddr: $upstream_addr, clientIp: $remote_addr, agent: $http_user_agent';
    access_log /var/log/nginx/access.log main;

    sendfile on;
    proxy_ignore_client_abort on;

    #for upload
    client_max_body_size 60M;
    client_body_buffer_size 128k;

    client_header_buffer_size 128k;
    large_client_header_buffers 4 128k;

    keepalive_timeout 65;
    send_timeout 60;
    fastcgi_buffers 8 128k;
    proxy_connect_timeout 180;
    proxy_send_timeout 180;
    proxy_read_timeout 640;
    gzip on;

    server {
        listen       80;
        server_name  localhost;
        location / {
            root   html;
            index  index.html index.htm;
        }
    }



    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}